p12_file = 'YOUR_SERVICE_ACCOUNT_PRIVATE_KEY_FILE.p12'
  f = file(p12_file, 'rb')
  key = f.read()
  f.close()
  gitkit_instance = gitkitclient.GitkitClient(
      client_id='YOUR_WEB_APPLICATION_CLIENT_ID_AT_GOOGLE_DEVELOPER_CONSOLE',
      service_account_email='[email protected]',
      service_account_key=key,
      widget_url='URL_ON_YOUR_SERVER_TO_HOST_GITKIT_WIDGET')

  user = gitkit_instance.VerifyGitkitToken(request.COOKIES['gtoken'])

  hashKey = 'hash-key'
  user1 = gitkitclient.GitkitUser()
  user1.email = '[email protected]'
  user1.user_id = '1234'
  user1.salt = 'salt-1'
  user1.passwordHash = calcHmac(hashKey, '1111', 'salt-1')

  user2 = gitkitclient.GitkitUser()
  user2.email = '[email protected]'
  user2.user_id = '5678'
  user2.salt = 'salt-2'
  user2.passwordHash = calcHmac(hashKey, '5555', 'salt-2')

  gitkit_instance.UploadUsers('HMAC_SHA1', hashKey, [user1, user2])

  for account in gitkit_instance.GetAllUsers(2):
    pprint(vars(account))

  pprint(vars(gitkit_instance.GetUserById('1234')))
  pprint(vars(gitkit_instance.GetUserByEmail('[email protected]')))

  gitkit_instance.DeleteUser('1234')